4399免费视频

門(men)窗(chuang)制(zhi)(zhi)造(zao)加工；門(men)窗(chuang)銷售(shou)；金屬(shu)(shu)制(zhi)(zhi)品銷售(shou)；塑料(liao)制(zhi)(zhi)品制(zhi)(zhi)造(zao)；五金產品制(zhi)(zhi)造(zao)；新型金屬(shu)(shu)功(gong)能材(cai)(cai)料(liao)銷售(shou)；建(jian)筑(zhu)裝飾材(cai)(cai)料(liao)銷售(shou)；金屬(shu)(shu)門(men)窗(chuang)工程施(shi)工；技(ji)術(shu)服務、技(ji)術(shu)開發、技(ji)術(shu)咨詢、技(ji)術(shu)交流、技(ji)術(shu)轉讓、技(ji)術(shu)推廣(guang)；建(jian)筑(zhu)用金屬(shu)(shu)配(pei)件制(zhi)(zhi)造(zao)。（除依法須經(jing)批準的項(xiang)目外(wai)，憑(ping)營業執照依法自主開展經(jing)營活(huo)動）